ZIP Code 21530

ZIP code 21530 is classified by USPS as a standard delivery area and covers roughly 146.0 square miles in Flintstone, Allegany County, Maryland. The area is home to 1,591 residents, producing a population density of 11 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21530 against Maryland and the nation.

On the economic side, the median household income for ZIP 21530 sits at $63,542 (44% below the Maryland average), while per-capita income is $32,301. The poverty rate stands at 18.5% and the unemployment rate at 17.0%. On housing, the median home value is $202,400 (55% below the state average) with median rent at $828 per month, and 82.7% of occupied units are owner-occupied, a direct signal of whether 21530 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 21.2% of adults hold a bachelor's degree or higher, the median age is 56, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Allegany County, so you can benchmark 21530 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →